Dyfyniad APA

HELLERSTERSTEIN JOSEPH M. (2005). READINGS IN DATABASE SYSTEMS 4TH ED (4TH ED.). MIT PRESS.

Dyfyniad Arddull Chicago

HELLERSTERSTEIN JOSEPH M. READINGS IN DATABASE SYSTEMS 4TH ED. 4TH ED. CAMBRIDGE: MIT PRESS, 2005.

Dyfyniad MLA

HELLERSTERSTEIN JOSEPH M. READINGS IN DATABASE SYSTEMS 4TH ED. 4TH ED. MIT PRESS, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.